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Updated: Sep 21, 2025

Back Mechanical Sensitivity Assessment in the Rat for Mechanistic Investigation of Chronic Back Pain

Back Mechanical Sensitivity Assessment in the Rat for Mechanistic Investigation of Chronic Back Pain

Published on: August 30, 2022

Short communication: dog bite and back pain.

Claire Duployez¹, Frédéric Wallet¹, Arnaud Pflimlin¹

¹University Hospital of Lille (CHU Lille), Lille, France.

APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica

|May 27, 2022

Summary

Capnocytophaga canimorsus, a bacteria from dog mouths, can cause severe infections. This report details a case of spondylodiscitis from a dog bite in a healthy individual.

Keywords:

Capnocytophaga canimorsus bacteriology clinical microbiology dog bite spondylodiscitis

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Last Updated: Sep 21, 2025

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Assessment of Sensory Thresholds in Dogs Using Mechanical and Hot Thermal Quantitative Sensory Testing

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Published on: October 26, 2021

Area of Science:

Infectious Diseases
Microbiology
Veterinary Medicine

Background:

Capnocytophaga canimorsus is a Gram-negative bacterium residing in the oral flora of canines and felines.
This pathogen is known to cause severe systemic infections, including sepsis, septic shock, endocarditis, and meningitis, particularly in immunocompromised individuals.
Transmission typically occurs through bites or scratches from infected animals.

Observation:

A previously healthy patient presented with spondylodiscitis following a dog bite.
The clinical presentation and diagnostic workup confirmed Capnocytophaga canimorsus as the causative agent.
This case highlights a rare manifestation of C. canimorsus infection.

Findings:

The patient developed spondylodiscitis, an infection of the spine and intervertebral discs, subsequent to a dog bite.
C. canimorsus was identified as the pathogen responsible for the spinal infection.
Literature review indicates a spectrum of C. canimorsus-associated diseases, with spondylodiscitis being an uncommon presentation.

Implications:

Capnocytophaga canimorsus should be considered in the differential diagnosis of infections following animal bites, even in immunocompetent hosts.
Prompt recognition and treatment are crucial to manage severe outcomes associated with C. canimorsus.
This case underscores the importance of understanding zoonotic bacterial infections and their potential clinical manifestations.